H has various meanings in the Heart category. Discover the full forms, definitions, and usage contexts of H in Heart.
An electrical municipal inspection of the electric meter breaker panel box. The fireproof area directly in front of a fireplace. The inner or outer floor of a fireplace, usually made of brick, tile, or stone. Fire resisting area of floor adjacent to an open fireplace. In a furnace, the portion that holds the molten metal or bath.
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